Question

The doorknob is an example of the wheel and axle.

• A. True
• B. False

Answer 1

The correct option is A True

Wheel and axle:

1. The wheel and axle is a simple machine consisting of a wheel attached to a smaller axle so that these two parts rotate together in which a force is transferred from one to the another.
2. The doorknob is an example of a wheel and axle. The knob is a wheel and the inside the door is an axle.

Hence, the given statement is true.